Automatic oiler for mining-cars.



No."718,039. PATENTED JAN. 6, 1903.

' P S. WALKER.

AUTOMATIC OILER FOR MINING CARS.

APPLICATION FILED 0mm, 1902.

N0 MODEL.

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UNITED STATES PATENT @FFIGE.

REUBEN S. WALKER, OF PINEHILL, PENNSYLVANIA.

AUTOMATIC OILER FOR MINING-CARS.

SPECIFICATION forming part of Letters Patent N 0. 718,039, dated January 6, 1903.

Application filed October 27, 1902. Serial No. 128,965. (No model.)

*0 (LM whom it may concern:

Be it known that I, REUBEN S. WALKER, a citizen of the United States, residing at Pinehill, in the county of Somerset and State of Pennsylvania, haveinvented certain new and useful Improvements in Automatic Oilers for Mining-Cars; and I do declare the following 'to be a full, clear, and exact description of the with a pulley, car-wheel, or other revoluble' element for automatically oiling the bearing thereof and which will not waste the lubricant when the revoluble element is not in rotation.

In the accompanying drawings, Figure 1 is a vertical sectional view of a wheel for mining-cars, showing the same provided with my improved lubricating device. Fig. 2 is a sectional view taken on a plane indicated by the line a a of Fig. 1.

In the embodiment of my invention here shown the wheel A is formed integrally at its hub portion with a circular oil-chamber 1 and with a waste-chamber 2. The latter is only on one side of the center of the wheel and the oil-chamber is preferably on the front side of the wheel. Lubricating-passages 3 lead from the waste-chamber to the spindle of an axle 4 on which the wheel revolves.

In the partition 5, between the oil-chamber and the waste-chamber, is an oil-passage 6, which establishes communication between the oil-chamber and the waste-chamber when the latter is on the under side of the axle. Also formed in this partition 5 is an opening 7, of suitable size, which alines and is coincident with an opening 8 in the outer side of the oil-chamber. These openings permit the introduction of waste into the waste-chamber and of oil into the oil-chamber. The closure 9, which is here shown as a screw-plug, is employed to close the openings 7 8, the said closure operating to close both the said openings, as will be understood from an inspection of Fig. 1 of the drawings.

In practice the oil-chamber is only about half filled with oil, and when the Wheel is at rest, if the waste-chamber is above the axle, no'oil will pass from the oil-chamber to the wastecharnber, because the passage 6 will be above the level of the oil in the oil-chamber. If the waste-chamber is on the under side of theaxle,communication will be established between the oil in the oil-chamber and the waste in the waste-chamber through the passage6; but no oil will be fed to the axle through the passages 3, as the latterwill be above the body of waste in the waste-chamber.

From the foregoing description, taken in connection with the accompanying drawings, the construction and operation of the invention will be readily understood without requiring a more extended explanation.

Various changes in the form, proportion, and the minor details of construction maybe resorted to without departing from the principle or sacrificing any of the advantages of this invention.

Having thus described myinvention, what I claim as new, and desire to secure by Letters Patent, is

1. A wheel having an oil-chamber extending around but not communicating with its bore,a waste-chamber,an oil-passage between the latter and the bore, an oil-passage between the oil-chamber and the waste-chamber, coincident openings in one side of the oilchamber and in the partition between the latter and the waste-chamber, and a closure for the said openings, substantially as described.

2. A wheel having an oil-chamber extending around but not communicating with its bore,a Waste-chamber, an oil-passage between the latter and the bore, an oilpassage between the oil-chamber and the Waste-chamber, coincident openings in one side of the oilchamber and in the partition between the latter and the waste-chamber, and a screw-plug to close said openings, said screw-plug extending across said oil-chamber,substantially as described.

In testimony whereof I have hereunto set my hand in presence of two subscribing witnesses.

JOHN O. WELLER, FREEMAN J. WALKER. 

